Who should text who?

You're over thinking. If you want to send a text, send one. If he replies and is engaged, you aren't over doing it.

If you really want to know where your relationship with this person stands, why not just ask? Communication usually works best when you communicate. Why not just have a real conversation.

Lot's of guys don't text much. You can't read much into that.

I agree. Most men don't use text that much. It seems to be overused by impatient women. So back off and use it ONLY to set up real meetings - not for meaningful conversations.

I think you should continue to text and use it to set up meetings to have more in person time. Have fun with text, joke around, it gives you the chance to be more clever than you might have been otherwise. Texting is fun.